/**
  * Sets the path to the repository in an extension
  * (Initialisation/Extensions) depending on the extension
  * that is currently installed
  *
  * @param string $extensionKey
  */
 protected function setInExtensionRepository($extensionKey)
 {
     $paths = Extension::returnInstallPaths();
     $path = $paths[$this->downloadUtility->getDownloadPath()];
     $localExtensionStorage = $path . $extensionKey . '/Initialisation/Extensions/';
     $this->dependencyUtility->setLocalExtensionStorage($localExtensionStorage);
 }